坝坡排水时,坝较长时,则应沿坝轴线方向每隔()左右设一横向排水沟,以便排除雨水。A.50-80m B.60-100m C.50-150m D....

作者: rantiku 人气: - 评论: 0
问题 坝坡排水时,坝较长时,则应沿坝轴线方向每隔()左右设一横向排水沟,以便排除雨水。
选项 A.50-80m B.60-100m C.50-150m D.50-100m
答案 D
解析 坝坡排水时,坝较长时,则应沿坝轴线方向每隔50-100m左右设一横向排水沟,以便排除雨水。
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